AMERICAN SUPERCONDUCTOR CORP /DE/ — EFFECT Filings
14 EFFECT filings on record
This page lists all EFFECT filings submitted to the SEC by AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC), sorted by most recent first. Each row links to the full filing on EdgarLookup. AMERICAN SUPERCONDUCTOR CORP /DE/ has filed 14 EFFECT documents with the SEC since 2007. To view all SEC filings by AMERICAN SUPERCONDUCTOR CORP /DE/, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B2
424B3
424B4
424B5
424B7
5
8-A12G
8-A12G/A
8-K
8-K/A
ARS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFR14A
EFFECT
FWP
NT 10-K
NT 10-Q
POS AM
POSASR
PRE 14A
S-1
S-3
S-3/A
S-3ASR
S-3MEF
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| EFFECT | — | 9999999995-24-000669 | Mar 15, 2024 | — |
| EFFECT | — | 9999999995-21-002417 | Jun 21, 2021 | — |
| EFFECT | — | 9999999995-18-000459 | Feb 15, 2018 | — |
| EFFECT | — | 9999999995-17-002756 | Oct 23, 2017 | — |
| EFFECT | — | 9999999995-14-002938 | Oct 1, 2014 | — |
| EFFECT | — | 9999999995-13-002789 | Sep 25, 2013 | — |
| EFFECT | — | 9999999995-12-003293 | Nov 16, 2012 | — |
| EFFECT | — | 9999999995-12-003028 | Oct 18, 2012 | — |
| EFFECT | — | 9999999995-12-003021 | Oct 18, 2012 | — |
| EFFECT | — | 9999999995-12-001777 | Jun 8, 2012 | — |
| EFFECT | — | 9999999995-12-001210 | Apr 26, 2012 | — |
| EFFECT | — | 9999999995-07-003546 | Sep 5, 2007 | — |
| EFFECT | — | 9999999995-07-003502 | Aug 31, 2007 | — |
| EFFECT | — | 9999999995-07-002887 | Jul 19, 2007 | — |